Rubify is not an extremely common word, but it is used to describe the act of making something rubicund or reddish in color. While rubify is itself a synonym for the term "reddish," there are several other words that could be used in its place. These include terms like "carmine," "crimson," "rouge," or even "rosy." All of these words describe varying degrees of red or pink, but each has its own unique nuance when applied to an object or surface. While rubify may be the simplest choice, there are many other words that could be just as effective in conveying the intended meaning.